Research Article
Nov 1974
Collapse of Curved Reinforced Concrete Beams
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 100, Issue 11
Abstract
Analyses are presented for determining the collapse load of a beam curved in a circular arc and subtending a central angle less than 180°. The analyses are for the case of two concentrated loads placed at any point on the beam and are an extension of existing analyses that have been developed for single concentrated loads or distributed loads. The modes of failure considered are valid for beams with constant plastic moment and torque capacities at any section of the beam. In the case of reinforced concrete, the analyses are thus restricted to prismatic beams having constant reinforcement. Tests were conducted on four curved reinforced concrete beams and it was found that the plastic theory gave a satisfactory prediction of the mode of failure, i.e., location and type of plastic hinges. The predicted value of the ultimate load was conservative for modes of failure containing pure bending and combined bending-torsion hinges, and slightly higher for modes of failure containing free hinges.
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Information
Published In
Journal of the Structural Division
Volume 100 • Issue 11 • November 1974
Pages: 2255 - 2269
Copyright
© 1974 American Society of Civil Engineers.
History
Published in print: Nov 1974
Published online: Feb 1, 2021
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Authors
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Ian J. Jordaan
Assoc. Prof., Dept. of Civ. Engrg., Univ. of Calgary, Calgary, Alberta, Canada
Magdi M. A. Khalifa
Grad. Student, Dept. of Civ. Engrg., Univ. of Calgary, Calgary, Alberta, Canada
Arthur E. McMullen, M.ASCE
Assoc. Prof., Dept. of Civ. Engrg., Univ. of Calgary, Calgary, Alberta, Canada
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.